Diversity dynamics of microfossils from the Cretaceous to the Neogene show mixed responses to events.

Palaeontology · 2022 · PMC9540813 · PMID 36248238

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Cretaceous–Palaeogene extinction event The largest and most highly significant extinction rate increase of the calcareous record occurs at c . 66 Ma with a precipitous decline in net diversification rate (Fig. 3A–C ).

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